SH-POLYPEPTIDE-57 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-POLYPEPTIDE-57

Safety grade: A

This is a lab-created protein fragment made up of amino acids linked together in a specific chain. It's designed to help protect and support the skin's natural barrier.

This ingredient is used to protect the skin by strengthening its natural defenses and helping it resist environmental stressors and damage.

Graded using: COSING.

Last verified: May 26, 2026